build/android/envsetup_functions.sh

   1 #!/bin/bash
   2
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # Defines functions for envsetup.sh which sets up environment for building
   8 # Chromium on Android.  The build can be either use the Android NDK/SDK or
   9 # android source tree.  Each has a unique init function which calls functions
  10 # prefixed with "common_" that is common for both environment setups.
  11
  12 ################################################################################
  13 # Exports environment variables common to both sdk and non-sdk build (e.g. PATH)
  14 # based on CHROME_SRC, along with DEFINES for GYP_DEFINES.
  15 ################################################################################
  16 common_vars_defines() {
  17   # Add Android SDK tools to system path.
  18   export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
  19   export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
  20
  21   # Add Chromium Android development scripts to system path.
  22   # Must be after CHROME_SRC is set.
  23   export PATH=$PATH:${CHROME_SRC}/build/android
  24
  25   # The set of GYP_DEFINES to pass to gyp.
  26   DEFINES="OS=android"
  27
  28   if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
  29     # These defines are used by various chrome build scripts to tag the binary's
  30     # version string as 'official' in linux builds (e.g. in
  31     # chrome/trunk/src/chrome/tools/build/version.py).
  32     export OFFICIAL_BUILD=1
  33     export CHROMIUM_BUILD="_google_chrome"
  34     export CHROME_BUILD_TYPE="_official"
  35   fi
  36
  37   # TODO(thakis), Jan 18 2014: Remove this after two weeks or so, after telling
  38   # everyone to set use_goma in GYP_DEFINES instead of a GOMA_DIR env var.
  39   if [[ -d $GOMA_DIR ]]; then
  40     DEFINES+=" use_goma=1 gomadir=$GOMA_DIR"
  41   fi
  42 }
  43
  44
  45 ################################################################################
  46 # Prints out help message on usage.
  47 ################################################################################
  48 print_usage() {
  49   echo "usage: ${0##*/} [--help]" >& 2
  50   echo "--help                  this help" >& 2
  51 }
  52
  53 ################################################################################
  54 # Process command line options.
  55 ################################################################################
  56 process_options() {
  57   while [[ -n $1 ]]; do
  58     case "$1" in
  59       --target-arch=*)
  60         echo "WARNING: --target-arch is ignored and will be an error soon."
  61         echo "Pass -Dtarget_arch=foo to gyp instead."
  62         echo "(x86 is spelled ia32 in gyp, mips becomes mipsel, arm stays arm)"
  63         ;;
  64       *)
  65         # Ignore other command line options
  66         echo "Unknown option: $1"
  67         ;;
  68     esac
  69     shift
  70   done
  71 }
  72
  73 ################################################################################
  74 # Initializes environment variables for NDK/SDK build.
  75 ################################################################################
  76 sdk_build_init() {
  77   # Allow the caller to override a few environment variables. If any of them is
  78   # unset, we default to a sane value that's known to work. This allows for
  79   # experimentation with a custom SDK.
  80   if [[ -z "${ANDROID_NDK_ROOT}" || ! -d "${ANDROID_NDK_ROOT}" ]]; then
  81     export ANDROID_NDK_ROOT="${CHROME_SRC}/third_party/android_tools/ndk/"
  82   fi
  83   if [[ -z "${ANDROID_SDK_ROOT}" || ! -d "${ANDROID_SDK_ROOT}" ]]; then
  84     export ANDROID_SDK_ROOT="${CHROME_SRC}/third_party/android_tools/sdk/"
  85   fi
  86
  87   common_vars_defines
  88
  89   export GYP_DEFINES="${DEFINES}"
  90
  91   if [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
  92     # Can not build WebView with NDK/SDK because it needs the Android build
  93     # system and build inside an Android source tree.
  94     echo "Can not build WebView with NDK/SDK.  Requires android source tree." \
  95         >& 2
  96     echo "Try . build/android/envsetup.sh instead." >& 2
  97     return 1
  98   fi
  99 }
 100
 101 ################################################################################
 102 # To build WebView, we use the Android build system and build inside an Android
 103 # source tree.
 104 #############################################################################
 105 webview_build_init() {
 106   # Use the latest API in the AOSP prebuilts directory (change with AOSP roll).
 107   android_sdk_version=18
 108
 109   # For the WebView build we always use the SDK in the Android tree.
 110   export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
 111 ${android_sdk_version}
 112
 113   common_vars_defines
 114
 115   # We need to supply SDK paths relative to the top of the Android tree to make
 116   # sure the generated Android makefiles are portable, as they will be checked
 117   # into the Android tree.
 118   ANDROID_SDK=$(python -c \
 119       "import os.path; print os.path.relpath('${ANDROID_SDK_ROOT}', \
 120       '${ANDROID_BUILD_TOP}')")
 121   ANDROID_SDK_TOOLS=$(python -c \
 122       "import os.path, sys; \
 123       print os.path.relpath( \
 124       '${ANDROID_SDK_ROOT}/../tools/' + sys.platform.rstrip('23'), \
 125       '${ANDROID_BUILD_TOP}')")
 126   DEFINES+=" android_webview_build=1"
 127   DEFINES+=" android_src=\$(PWD)"
 128   DEFINES+=" android_ndk_root=ndk_root_unused_in_webview_build"
 129   DEFINES+=" android_sdk=\$(PWD)/${ANDROID_SDK}"
 130   DEFINES+=" android_sdk_root=\$(PWD)/${ANDROID_SDK}"
 131   DEFINES+=" android_sdk_tools=\$(PWD)/${ANDROID_SDK_TOOLS}"
 132   DEFINES+=" android_sdk_version=sdk_version_unused_in_webview_build"
 133   DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
 134   if [[ -n "$CHROME_ANDROID_WEBVIEW_OFFICIAL_BUILD" ]]; then
 135     DEFINES+=" logging_like_official_build=1"
 136     DEFINES+=" tracing_like_official_build=1"
 137   fi
 138   export GYP_DEFINES="${DEFINES}"
 139 }